earplugs

JP1813231SActive Publication Date: 2025-11-20大木 将弘
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Patent Information

Application Number
JP2024025340D
Authority / Receiving Office
JP · JP
Patent Type
Designs
Current Assignee / Owner
Filing Date
2024-12-08
Publication Date
2025-11-20
Estimated Expiration
2049-12-08

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Abstract

When using two earplugs as a set, you can temporarily connect them by inserting the convex part into the concave part.
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